Swimmer&#39;s starting block



FIG. 1 is a perspective view of a swimmer's starting block, showing our new design.

FIG. 2 is a top view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a side view thereof.

FIG. 5 is a rear view thereof; and,

FIG. 6 is an opposite side view thereof. 

The ornamental design for a swimmer's starting block, as shown and described. 